1720 Alameda Diablo
Diablo, CA 94528 • 8 Bed • 10 Bath • 7,890 sq.ft.

Property summary

Ideally located near the entrance on one of the most coveted streets within the prestigious Diablo Country Club, this exceptional estate spans 1.44 acres of flat, park-like grounds, offering rare privacy, elegance, and resort-style living. A gated circular driveway creates commanding curb appeal, while the thoughtfully designed, predominantly single-level layout features two private wings - ideal for extended family or multigenerational living. The expansive floor plan includes two primary suites, two kitchens, two laundry rooms, an oversized great room, and a formal dining room, all enhanced by recent refinements including new carpet, sliding doors, updated systems, a backup generator, and a resurfaced pool. A four-car garage with a half bath adds exceptional functionality, while the private backyard oasis is an entertainer’s dream with an outdoor kitchen, fireplace, expansive lawn, greenhouse, and charming custom playhouse. Located near parks and recreation, within the highly acclaimed San Ramon Valley School District, and offering access to world-class golf, dining, and social amenities at Diablo Country Club, this is a rare opportunity to own a prestigious and beautifully upgraded estate.

Days on market: 7

Listing updated: February 04, 2026 - 11:37:02

Property details

Property ID
41121927
Size
7890 sq.ft.
Home Type
Residential
Year Built
1941
Property Size
1.444 acres
Garage
4
Levels
1
Spa
No
Patio
Patio
Basement
No
View
No
Pool
In Ground, Solar Heat

Listed by: Khrista Jarvis DRE #01213582 925-362-2062, Coldwell Banker Realty - Contra Costa

Source: Contra Costa, MLS#: CCBE-CCCOLDW Originating MLS: CRMLS

Interior information

Rooms
Bonus Room, Den, Family Room, Kitchen, Office
Bathrooms
10
Kitchen
Gas Water Heater, Dryer, Washer
Cooling
Central Air
Heating
Forced Air
Flooring
Carpet, Tile, Wood
Laundry
N/A
$5,850,000
Property price
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The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional. Based on information from California Regional Multiple Listing Service, Inc. as of 2026-02-05 18:20:51 PST and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

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